Weather forecast for 10 days
Castro Valley, CA

Weather forecast for the weekend

Saturday, Jun 21.

Sunny
5:45 am

8:35 pm
PDT
Sunny
75°F / 52°F
  • Wind: 15mph WNW
  • Humidity: 44%
  • Precip. probability: 4%
  • Precipitation: 0"
  • UV index: 10
On Saturday, in Castro Valley, skies will stay clear and sunny.
Temperatures will oscillate between a moderately hot 75.2°F at their highest and a cool 51.8°F at their lowest.
The predicted high temperature will align with June's average of 77°F.
Sunrise will be at 5:45 am and sunset at 8:35 pm; the daylight will last for 14h and 49min.

Sunday, Jun 22.

Sunny
5:45 am

8:35 pm
PDT
Sunny
75°F / 54°F
  • Wind: 13mph W
  • Humidity: 47%
  • Precip. probability: 5%
  • Precipitation: 0"
  • UV index: 10
On Sunday, in Castro Valley, expect bright skies and plenty of sunshine.
Temperature is anticipated to swing from a high of a warm 75.2°F to a low of a crisp 53.6°F.
The temperature for Sunday is anticipated to correspond with the average June peak of 77°F.
Sunrise will be at 5:45 am and sunset at 8:35 pm; the daylight will last for 14h and 49min.

Frequently asked questions

What is the weather forecast for Castro Valley for Saturday?
On Saturday, skies will stay clear and sunny.
What will be the highest temperature on Saturday?
On Saturday, the highest temperature will be 75.2°F, while the lowest temperature will be 51.8°F.
What is the weather forecast for Castro Valley for Sunday?
On Sunday, expect sunny weather with a crisp, clear sky.
What will be the highest temperature on Sunday?
On Sunday, the highest temperature will be 75.2°F, while the lowest temperature will be 53.6°F.
What is the weather forecast for Castro Valley for the next ten days?
In Castro Valley, a combination of dull and sun-filled weather is anticipated for the next ten days.
How warm will it be in the next ten days?
The maximum temperature will range between 68°F and 77°F, while the minimum temperature will vary between 50°F and 55.4°F.
What will be the warmest and the coldest days?
The warmest day will be next Saturday, with a maximum of 77°F. Tomorrow will be the coldest day, with a maximum temperature of 68°F.

Long-term weather forecast

ThuJun 19.
  • min.
  • 54°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 19mph WSW
  • Humidity: 71%
  • UV index: 0
  • Precip. probability: 16%
  • Precipitation: 0"
  • 5:45 am 8:34 pm PDT
FriJun 20.
  • 68°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 18mph W
  • Humidity: 56%
  • UV index: 10
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:45 am 8:34 pm PDT
SatJun 21.
  • 75°F
  • 52°F
Sunny
Sunny
  • Wind: 15mph WNW
  • Humidity: 44%
  • UV index: 10
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:45 am 8:35 pm PDT
SunJun 22.
  • 75°F
  • 54°F
Sunny
Sunny
  • Wind: 13mph W
  • Humidity: 47%
  • UV index: 10
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:45 am 8:35 pm PDT
MonJun 23.
  • 75°F
  • 54°F
Sunny
Sunny
  • Wind: 12mph W
  • Humidity: 56%
  • UV index: 10
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:46 am 8:35 pm PDT
TueJun 24.
  • 72°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph W
  • Humidity: 63%
  • UV index: 10
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:46 am 8:35 pm PDT
WedJun 25.
  • 73°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph W
  • Humidity: 60%
  • UV index: 10
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:46 am 8:35 pm PDT
ThuJun 26.
  • 75°F
  • 55°F
Sunny
Sunny
  • Wind: 12mph W
  • Humidity: 57%
  • UV index: 10
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:47 am 8:35 pm PDT
FriJun 27.
  • 73°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph W
  • Humidity: 60%
  • UV index: 10
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:47 am 8:35 pm PDT
SatJun 28.
  • 77°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph W
  • Humidity: 58%
  • UV index: 10
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:47 am 8:35 pm PDT
Conditions over the next ten days suggest that a combination of gloomy and clear weather is expected.
Rainfall is not predicted in Castro Valley in the upcoming period.
In the upcoming period, the maximum temperature will range between 68°F and 77°F, while the lowest nightly temperature differences will be negligible, as the minimum temperature is expected to range between 50°F and 55.4°F.
Next Saturday is expected to be the warmest, reaching up to 77°F; the lowest daytime temperature of the period will be reached on Friday, peaking at 68°F.
Updated: Jun 19, 2025 @ 22:54:23 UTC
Published by: Weather U.S. | About Us
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